Create a more complex track layout by expanding your Battery O Gauge Track Layout with the Battery O Gauge 12-Piece Straight Black Plastic Track Pack by Lionel. Adding these tracks to your current layout gives you the flexibility to design a bigger railroad empire. Lionel Battery O Gauge Track Pack includes 12 pieces of 2-rail straight plastic track that is easy to connect and snaps together, creating a locking mechanism that ensures tight connections. Recommended for ages 4 years and up.